Method of using shoe-bottom filler.



EQ@ A. A V

omeztcngcoivmesn?, new Yonn, N. Y., e ooeleenewton on Mellen? GF USING SHQE-BGTTQM FILLE? I Speeileatioxz of Letters Patent, ajgentedl Nav., 2&9 jigffljg @riginal application filed il'erch 7., 1907, Serial Ho. 361,171.

nivided andihis .application sied' "o all/whom it may concern:

it 'known that l, ANDREW THOMA, af

.citizen or" the United States, and' resident ci Cambridge, in the county of Middlesex and State ci' Massachusetts, lie-ve invented an improvement in liethods Using Shoe- Bottem Filler, of which the following description is e' specification.

This cese is e division of my application Serial No. 361,171, illedMarch 7, 1907, and relates to the method or process of' using shoe-hottoni filler oy introducing into the. iller, or using in direct connection with the iiller itself, moisture, preferably steam. leretoi'ore, in the use of shoe-bottom .iiller of theV kind, for instance, set forth. in my "stent No. 832,002 of September 25, 1906), t has heencnstoinnry to provide e kettle,

refers-bly steem-jncieted, such es is shown l i1.. patent No. 808,227 of lecemloer 26, 1905, in which the lest' ef iller is placed and heated with e dry until it is softened er loosened hy the inciting' ci: its binder end ^erehy .rendered snfticiently plastic to be leid in the shoe-bottoni cavity, whereupon e smell quantity deposited in the cavity and nnilied laid by e spatule or lmiie which the' Workmen slides presses over the loosened and plastic mass of liller by a motion somewhat as ey mason levels mortar with e-t'roivehend the ller is then instantly subjectedv to a superheeting and vertical pressure (as in seid Patent No. 808,227). The art is set forth in my Patent No. 808,222, of December Q6, 1905. @ne of the great diiliculties and objections to this method of use of the ller is that the careless operator, not realizing the sensitive ycharacter oi the low-heat responsive ller, 4G v is very liable to leave the stes-m turned on so long or et such .e temperature as to destroy the intrinsic'qnelity oi1 the filler, particularly lof-"the vegetable gums or other sticky binder, contained therein, and sometimes even char the cork so that the tough cohesion of the iiller is practically destroyed, Notwithstanding the provision of special means 'for regulating the heet, l soon found" that the careless 'operator would nevertheless burn or injure the ller hy' overhefiting.' v 'lic'cordinglyg thev present inventioneims to obviete this tronbleoy introdncinggmois-v tnreinto the' iil l er itself at 'the time, ci using' V."olotile solution, such,l for" the seme,thereby rendering the filler l amenable to destructive heat,jbeside`scn d ncing variousv importent and practical@ vanteges, es willeppeer more at length the course of the'olloviing description.l ln connection with this process, l have diseoivv ered also 4that by ineens of the moisture, particularly When the form of moist heet', various latentqnalities and properties of the liller may be developed 'at the time when' they are required foruse.` This subject quite fully `developed in my copendin.-enf-'fv Referring now to the particnlgir kind ci iller disclosed and claimed in fthe seid parent case of which thls 1s e divisiomthis process has, e particular advantage off/ i developing 1n the vegetable gums of seidliller or for that matter in the gums of Ing/"toom-l dation Patent No. 832,002 above referre" to) e better stickiness. Also it develops e far more sensitive, better 'stickinees vin the entire filler mass than would be theeese it' dry heat alone were used. In my said` parent eppliction, Iprovide a. illerlin. which the gums (pont-ienne and gutta perche,-'or

exemple) are turned into a. highly condition without having their stringy' te# necions' nature Wholly eliminatedhy (es was apt te be the cese in the vmethmi/set forth in Serial No. l32,083, above), ihls is especially the case where the, efceseid milling `)process :is-used in addition ft-cheat, in vwhichoesetlfie lfull strength of the gums has been leftjuninjured, reqniringfiorce to spread it throughout the o'grannlated meterial. @ne Ofthe ndysntees resulting I st ,thegllenr 'l5 forth in my before mentioned loaf or cake (z'. e. supposing that the product is put up in that shape as setforth in,

helping quicitlyto soften and disintegratethe' same, andthereby plaiieit inic'ondition to be handled and.v to ybe quickly moldedinto 'he bottom'cavities of the shoes. rllhe hot moisture, `although unable tovdisturb the bindingzagent of the mass, helps to soften.

the same lby Ainterposinrf the mo'stu1e`-layer or 'ilm between the different particles so as to malte them cling together less tenaciously and thereby separate the material into a workable condition'so that it may be handled quickly and -easily, t'. c., Without any strong resistance to the laying tool (the spatula iirst referred to above) or lifting tool which it would otherwise have. The moisture also,l uts the filler into such a condition that it isnct so liable to stick to the il@ heated tools when being laid in the shoe and ygives it a non-resisting, readily moldable and workable character, While yet remaining quick-setting, v}g ermanently tenacious, elastic, and unchangeable in the sense set shoel'iller Patent No. 832,002.

. lt will be understood that my present method or process is not ,restricted to any one' ot the kinds of ller mentioned, but is 40 ,intended to apply1 to thegene'ral character ot filler as broa .y donned in my Patent blo. 832,002 and contained in subsequent patents and cope-riding applications.

.Another machine for carrying out this t5 method or process is disclosed 1n my application Serial No. 686,977, filed March 28, lil, and l intendcertain of the claims of the present case to be generic to the process disclosed in the last mentioned application. Having" described my invention, what l claim s Iters l; a, nt is;

i. The herein described method, consist- A ing* of providing a shoel bottom Eller, con- 75 taining filler-body material mixed with a binding agent which "contains a vegetable gum and which ispcrmenently cementitious, elastic, Waterproof and adhesive, and is influente-ed by moisture and by heat, subjecting said filler to moisture and to heat until softened, and applying. the vsame to the shoebottom While thus soit, substantially as described. f y

2. The hereindescribed method, consiste 5 ing ci providing a quclrsetting tenacious having a certain degree ot stickiness vr and desire to secure by Letmistici comminutedA shoe-bottom filler normall Whic latent and capable of being developed by subjection to moisture in the form o' ultiem,

heating the. filler and simultaneously per meatin'g the same throughout all the nterstices thereof' with an even How, of said moisture until the latent stickness is billy devolo ied, and' then immediately applying the filler to a shoe-bottom cavity Whi said condition, whereby the superficial moisi-V ture. minimizes the tendency of the sticky filler to adhere to the applying tool and the interstitial moisure further relieves the tendency to fatigue the operator by giving the liller a temporary-non-resisting characn ter without destroyin the quick-setting tenacious character of t e laid filler when the steam has evaporated, substantially as deemed. i l

3. The herein described method, consistgrated, 'and-then quickly molding the `ller ,into a shoe-bottom While still. soft, substantially as described.

einA

'ing of heating a shoe ller of the character v 4:.The herein described method, consisting of providing'y a filler containing comminuted' material and a binder which is, at

least in part, meltable, said filler being influenced by moisture, melting the ller and permeating the same throughout all the interstices of said comminuted materialwitb,

moisture sufficient in amount to bring the same to a workable state, and then immediately applying the filler to a shoe-bottom cavity substantial y as described. 5. The herein described method, consisting of providing a filler containing comminuted material and a binder` which is influenced by moisture and by heat, permeating the same throughout all the interstices of said comminuted material ,with hot moisture suilicient in amount to bring the same to Va workable state, and then immediately applying the filler to ashoe-bottom cavity ysubstantially as described.

6.',The herein described method, consisting oi:l providing a liller normally having a certain degree of stickiness Which isflatent and capable of being developed by subjection to moisture in the form of steam, heating the filler and simultaneously permeating the same with an even flow of said moisture les "heat, heating the ller in the presence of moisture until the filler is loosened to a ."readily layable condition, and then laying 'the loosened filler in a shoe-bottom cavity ysubstantially as described.

8. The herein described method, consisting of providing a filler of comminuted-material mixed with a binder: which isinuenced by moisture and containing a Waterinsoluble component capable of developing stickiness for vholding the filler in place in' the shoe-bottom cavity, heating the filler in the presence of moisture until said stickiness is properly developed and the fillerA is brought to an easily manipulated loosened i5 y condition, and then laying the loosened lker ANDREW THOMAv Y VV`Witnesses:

GEO. H. MAXWELL, EDWARD MAXWELL. 

